﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using Demo.Mmose.Common.Util;

namespace Demo.Mmose.Common.Atom
{
    public class AtomicByte : IAtomOperator<byte>, IComparable, IComparable<AtomicByte>
    {
        #region zh-CHS 构造和初始化和清理 | en Constructors and Initializers and Dispose
        /// <summary>
        /// 
        /// </summary>
        private AtomicByte()
        {
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="atomicByte"></param>
        private AtomicByte( byte atomicByte )
        {
            m_AtomicByte = atomicByte;
        }
        #endregion

        #region zh-CHS 属性 | en Properties
        #region zh-CHS 私有成员变量 | en Private Member Variables
        /// <summary>
        /// 
        /// </summary>
        private int m_AtomicByte = 0;
        #endregion
        /// <summary>
        /// 
        /// </summary>
        public byte Value
        {
            get { return (byte)m_AtomicByte; }
        }
        #endregion

        #region zh-CHS 接口实现 | en Interface Implementation
        /// <summary>
        /// 以原子方式将给定值与当前值相加。
        /// </summary>
        /// <param name="addValue"></param>
        /// <returns></returns>
        public void Add( byte addValue )
        {
            Interlocked.Add( ref m_AtomicByte, addValue );
        }

        /// <summary>
        /// 以原子方式将给定值与当前值相减。
        /// </summary>
        /// <param name="subtractValue"></param>
        /// <returns></returns>
        public void Subtract( byte subtractValue )
        {
            Interlocked.Add( ref m_AtomicByte, - subtractValue );
        }

        /// <summary>
        /// 以原子方式将给定值与当前值相乘。
        /// </summary>
        /// <param name="multiplyValue"></param>
        /// <returns></returns>
        public void Multiply( byte multiplyValue )
        {
            int oldAtomicByte;
            int newAtomicByte;

            do
            {
                oldAtomicByte = (byte)m_AtomicByte;
                newAtomicByte = (byte)m_AtomicByte * multiplyValue;

            } while ( Interlocked.CompareExchange( ref m_AtomicByte, newAtomicByte, oldAtomicByte ) != oldAtomicByte );
        }

        /// <summary>
        /// 以原子方式将给定值与当前值相除。
        /// </summary>
        /// <param name="divideValue"></param>
        /// <returns></returns>
        public void Divide( byte divideValue )
        {
            int oldAtomicByte;
            int newAtomicByte;

            do
            {
                oldAtomicByte = (byte)m_AtomicByte;
                newAtomicByte = (byte)m_AtomicByte / divideValue;

            } while ( Interlocked.CompareExchange( ref m_AtomicByte, newAtomicByte, oldAtomicByte ) != oldAtomicByte );
        }

        /// <summary>
        /// 以原子方式设置为给定值。
        /// </summary>
        /// <param name="assignmentValue"></param>
        /// <returns></returns>
        public void Assignment( byte assignmentValue )
        {
            int oldAtomicByte;
            int newAtomicByte;

            do
            {
                oldAtomicByte = (byte)m_AtomicByte;
                newAtomicByte = assignmentValue;

            } while ( Interlocked.CompareExchange( ref m_AtomicByte, newAtomicByte, oldAtomicByte ) != oldAtomicByte );
        }

        /// <summary>
        /// 如果当前值 == 预期值，则以原子方式将该值设置为给定的更新值。
        /// </summary>
        /// <param name="setValue"></param>
        /// <param name="compareValue"></param>
        /// <returns></returns>
        public bool CompareExchange( byte setValue, byte compareValue )
        {
            return Interlocked.CompareExchange( ref m_AtomicByte, setValue, compareValue ) == compareValue;
        }

        /// <summary>
        /// 以原子方式将当前值减 1 ( -- )
        /// </summary>
        /// <returns></returns>
        public void Decrement()
        {
            Interlocked.Decrement( ref m_AtomicByte );
        }

        /// <summary>
        /// 以原子方式将当前值加 1 ( ++ )
        /// </summary>
        /// <returns></returns>
        public void Increment()
        {
            Interlocked.Increment( ref m_AtomicByte );
        }

        /// <summary>
        /// 以原子方式将当前值左移 ( << )
        /// </summary>
        /// <returns></returns>
        public void LeftShift( int leftShift )
        {
            int oldAtomicByte;
            int newAtomicByte;

            do
            {
                oldAtomicByte = (byte)m_AtomicByte;
                newAtomicByte = (byte)m_AtomicByte << leftShift;

            } while ( Interlocked.CompareExchange( ref m_AtomicByte, newAtomicByte, oldAtomicByte ) != oldAtomicByte );
        }

        /// <summary>
        /// 以原子方式将当前值右移 ( >> )
        /// </summary>
        /// <returns></returns>
        public void RightShift( int rightShift )
        {
            int oldAtomicByte;
            int newAtomicByte;

            do
            {
                oldAtomicByte = (byte)m_AtomicByte;
                newAtomicByte = (byte)m_AtomicByte >> rightShift;

            } while ( Interlocked.CompareExchange( ref m_AtomicByte, newAtomicByte, oldAtomicByte ) != oldAtomicByte );
        }

        /// <summary>
        /// 以原子方式将当前值求正(一元操作) ( + )
        /// </summary>
        /// <param name="addValue"></param>
        /// <returns></returns>
        public void Plus()
        {
            // 不用执行，本来就是正值
        }

        /// <summary>
        /// 以原子方式将当前值求负(一元操作) ( - )
        /// </summary>
        /// <param name="addValue"></param>
        /// <returns></returns>
        public void Minus()
        {
            throw new NotSupportedException();
        }

        /// <summary>
        /// 以原子方式将当前值取反(一元操作) ( ! )
        /// </summary>
        /// <param name="addValue"></param>
        /// <returns></returns>
        public void Invert()
        {
            throw new NotSupportedException();
        }

        /// <summary>
        /// 以原子方式将当前值求补 ( ~ )
        /// </summary>
        /// <returns></returns>
        public void OneComplement()
        {
            int oldAtomicByte;
            int newAtomicByte;

            do
            {
                oldAtomicByte = (byte)m_AtomicByte;
                newAtomicByte = ~(byte)m_AtomicByte;

            } while ( Interlocked.CompareExchange( ref m_AtomicByte, newAtomicByte, oldAtomicByte ) != oldAtomicByte );
        }

        /// <summary>
        /// 以原子方式将当前值按位与 ( &= )
        /// </summary>
        /// <returns></returns>
        public void BitwiseAND( byte bitwiseAnd )
        {
            int oldAtomicByte;
            int newAtomicByte;

            do
            {
                oldAtomicByte = (byte)m_AtomicByte;
                newAtomicByte = (byte)m_AtomicByte & bitwiseAnd;

            } while ( Interlocked.CompareExchange( ref m_AtomicByte, newAtomicByte, oldAtomicByte ) != oldAtomicByte );
        }

        /// <summary>
        /// 以原子方式将当前值按位或 ( |= )
        /// </summary>
        /// <returns></returns>
        public void BitwiseInclusiveOR( byte inclusiveOR )
        {
            int oldAtomicByte;
            int newAtomicByte;

            do
            {
                oldAtomicByte = m_AtomicByte;
                newAtomicByte = m_AtomicByte | inclusiveOR;

            } while ( Interlocked.CompareExchange( ref m_AtomicByte, newAtomicByte, oldAtomicByte ) != oldAtomicByte );
        }

        /// <summary>
        /// 以原子方式将当前值按位异或 ( ^= )
        /// </summary>
        /// <returns></returns>
        public void BitwiseExclusiveOR( byte exclusiveOR )
        {
            int oldAtomicByte;
            int newAtomicByte;

            do
            {
                oldAtomicByte = (byte)m_AtomicByte;
                newAtomicByte = (byte)m_AtomicByte ^ exclusiveOR;

            } while ( Interlocked.CompareExchange( ref m_AtomicByte, newAtomicByte, oldAtomicByte ) != oldAtomicByte );
        }
        #endregion

        #region zh-CHS 共有委托 | en Public Delegate
        #region zh-CHS 私有成员变量 | en Private Member Variables
        /// <summary>
        /// 
        /// </summary>
        private EventHandler<UpdatingValue<byte>> m_EventUpdatingValue;
        /// <summary>
        /// 
        /// </summary>
        private SpinLock m_LockEventUpdating = new SpinLock();
        #endregion
        /// <summary>
        /// 
        /// </summary>
        public event EventHandler<UpdatingValue<byte>> UpdatingValue
        {
            add
            {
                SpinLockEx.ReliableEnter( ref m_LockEventUpdating );
                {
                    m_EventUpdatingValue += value;
                }
                m_LockEventUpdating.Exit();
            }
            remove
            {
                SpinLockEx.ReliableEnter( ref m_LockEventUpdating );
                {
                    m_EventUpdatingValue -= value;
                }
                m_LockEventUpdating.Exit();
            }
        }

        #region zh-CHS 私有成员变量 | en Private Member Variables
        /// <summary>
        /// 
        /// </summary>
        private EventHandler<UpdatedValue<byte>> m_EventUpdatedValue;
        /// <summary>
        /// 
        /// </summary>
        private SpinLock m_LockEventUpdated = new SpinLock();
        #endregion
        /// <summary>
        /// 
        /// </summary>
        public event EventHandler<UpdatedValue<byte>> UpdatedValue
        {
            add
            {
                SpinLockEx.ReliableEnter( ref m_LockEventUpdated );
                {
                    m_EventUpdatedValue += value;
                }
                m_LockEventUpdated.Exit();
            }
            remove
            {
                SpinLockEx.ReliableEnter( ref m_LockEventUpdated );
                {
                    m_EventUpdatedValue -= value;
                }
                m_LockEventUpdated.Exit();
            }
        }
        #endregion

        #region zh-CHS 方法 | en Method
        /// <summary>
        /// 将当前值左移 ( << )，并返回左移后的数据
        /// </summary>
        /// <param name="atomicByteA"></param>
        /// <param name="atomicByteB"></param>
        /// <returns></returns>
        public static AtomicByte operator >>( AtomicByte atomicByteA, int atomicByteB )
        {
            return new AtomicByte( (byte)( (byte)atomicByteA.m_AtomicByte >> atomicByteB ) );
        }

        /// <summary>
        /// 将当前值右移 ( >> )，并返回右移后的数据
        /// </summary>
        /// <param name="atomicByteA"></param>
        /// <param name="atomicByteB"></param>
        /// <returns></returns>
        public static AtomicByte operator <<( AtomicByte atomicByteA, int atomicByteB )
        {
            return new AtomicByte( (byte)( (byte)atomicByteA.m_AtomicByte << atomicByteB ) );
        }

        /// <summary>
        /// 将给定值与当前值相加，并返回相加后的数据
        /// </summary>
        /// <param name="atomicByteA"></param>
        /// <param name="atomicByteB"></param>
        /// <returns></returns>
        public static AtomicByte operator +( AtomicByte atomicByteA, byte atomicByteB )
        {
            return new AtomicByte( (byte)( (byte)atomicByteA.m_AtomicByte + atomicByteB ) );
        }

        /// <summary>
        /// 将给定值与当前值相加，并返回相加后的数据
        /// </summary>
        /// <param name="atomicByteA"></param>
        /// <param name="atomicByteB"></param>
        /// <returns></returns>
        public static AtomicByte operator +( AtomicByte atomicByteA, AtomicByte atomicByteB )
        {
            return new AtomicByte( (byte)( (byte)atomicByteA.m_AtomicByte + (byte)atomicByteB.m_AtomicByte ) );
        }

        /// <summary>
        /// 将给定值与当前值相减，并返回相减后的数据
        /// </summary>
        /// <param name="atomicByteA"></param>
        /// <param name="atomicByteB"></param>
        /// <returns></returns>
        public static AtomicByte operator -( AtomicByte atomicByteA, byte atomicByteB )
        {
            return new AtomicByte( (byte)( (byte)atomicByteA.m_AtomicByte - atomicByteB ) );
        }

        /// <summary>
        /// 将给定值与当前值相减，并返回相减后的数据
        /// </summary>
        /// <param name="atomicByteA"></param>
        /// <param name="atomicByteB"></param>
        /// <returns></returns>
        public static AtomicByte operator -( AtomicByte atomicByteA, AtomicByte atomicByteB )
        {
            return new AtomicByte( (byte)( (byte)atomicByteA.m_AtomicByte - (byte)atomicByteB.m_AtomicByte ) );
        }

        /// <summary>
        /// 将给定值与当前值相乘，并返回相乘后的数据
        /// </summary>
        /// <param name="atomicByteA"></param>
        /// <param name="atomicByteB"></param>
        /// <returns></returns>
        public static AtomicByte operator *( AtomicByte atomicByteA, byte atomicByteB )
        {
            return new AtomicByte( (byte)( (byte)atomicByteA.m_AtomicByte * atomicByteB ) );
        }

        /// <summary>
        /// 将给定值与当前值相乘，并返回相乘后的数据
        /// </summary>
        /// <param name="atomicByteA"></param>
        /// <param name="atomicByteB"></param>
        /// <returns></returns>
        public static AtomicByte operator *( AtomicByte atomicByteA, AtomicByte atomicByteB )
        {
            return new AtomicByte( (byte)( (byte)atomicByteA.m_AtomicByte * (byte)atomicByteB.m_AtomicByte ) );
        }

        /// <summary>
        /// 将当前值与给定值相除，并返回相除后的数据
        /// </summary>
        /// <param name="atomicByteA"></param>
        /// <param name="atomicByteB"></param>
        /// <returns></returns>
        public static AtomicByte operator /( AtomicByte atomicByteA, byte atomicByteB )
        {
            return new AtomicByte( (byte)( (byte)atomicByteA.m_AtomicByte / atomicByteB ) );
        }

        /// <summary>
        /// 将当前值与给定值相除，并返回相除后的数据
        /// </summary>
        /// <param name="atomicByteA"></param>
        /// <param name="atomicByteB"></param>
        /// <returns></returns>
        public static AtomicByte operator /( AtomicByte atomicByteA, AtomicByte atomicByteB )
        {
            return new AtomicByte( (byte)( (byte)atomicByteA.m_AtomicByte / (byte)atomicByteB.m_AtomicByte ) );
        }

        /// <summary>
        /// 将当前值与给定值相模，并返回相模后的数据
        /// </summary>
        /// <param name="atomicByteA"></param>
        /// <param name="atomicByteB"></param>
        /// <returns></returns>
        public static AtomicByte operator %( AtomicByte atomicByteA, byte atomicByteB )
        {
            return new AtomicByte( (byte)( (byte)atomicByteA.m_AtomicByte % atomicByteB ) );
        }

        /// <summary>
        /// 将当前值与给定值相模，并返回相模后的数据
        /// </summary>
        /// <param name="atomicByteA"></param>
        /// <param name="atomicByteB"></param>
        /// <returns></returns>
        public static AtomicByte operator %( AtomicByte atomicByteA, AtomicByte atomicByteB )
        {
            return new AtomicByte( (byte)( (byte)atomicByteA.m_AtomicByte % (byte)atomicByteB.m_AtomicByte ) );
        }

        /// <summary>
        /// 将当前值与给定值相与，并返回相与后的数据
        /// </summary>
        /// <param name="atomicByteA"></param>
        /// <param name="atomicByteB"></param>
        /// <returns></returns>
        public static AtomicByte operator &( AtomicByte atomicByteA, byte atomicByteB )
        {
            return new AtomicByte( (byte)( (byte)atomicByteA.m_AtomicByte & atomicByteB ) );
        }

        /// <summary>
        /// 将当前值与给定值相与，并返回相与后的数据
        /// </summary>
        /// <param name="atomicByteA"></param>
        /// <param name="atomicByteB"></param>
        /// <returns></returns>
        public static AtomicByte operator &( AtomicByte atomicByteA, AtomicByte atomicByteB )
        {
            return new AtomicByte( (byte)( (byte)atomicByteA.m_AtomicByte & (byte)atomicByteB.m_AtomicByte ) );
        }

        /// <summary>
        /// 将当前值与给定值相或，并返回相或后的数据
        /// </summary>
        /// <param name="atomicByteA"></param>
        /// <param name="atomicByteB"></param>
        /// <returns></returns>
        public static AtomicByte operator |( AtomicByte atomicByteA, byte atomicByteB )
        {
            return new AtomicByte( (byte)( (byte)atomicByteA.m_AtomicByte | atomicByteB ) );
        }

        /// <summary>
        /// 将当前值与给定值相或，并返回相或后的数据
        /// </summary>
        /// <param name="atomicByteA"></param>
        /// <param name="atomicByteB"></param>
        /// <returns></returns>
        public static AtomicByte operator |( AtomicByte atomicByteA, AtomicByte atomicByteB )
        {
            return new AtomicByte( (byte)( (byte)atomicByteA.m_AtomicByte | (byte)atomicByteB.m_AtomicByte ) );
        }

        /// <summary>
        /// 将当前值与给定值相异或，并返回相异或后的数据
        /// </summary>
        /// <param name="atomicByteA"></param>
        /// <param name="atomicByteB"></param>
        /// <returns></returns>
        public static AtomicByte operator ^( AtomicByte atomicByteA, byte atomicByteB )
        {
            return new AtomicByte( (byte)( (byte)atomicByteA.m_AtomicByte ^ atomicByteB ) );
        }

        /// <summary>
        /// 将当前值与给定值相异或，并返回相异或后的数据
        /// </summary>
        /// <param name="atomicByteA"></param>
        /// <param name="atomicByteB"></param>
        /// <returns></returns>
        public static AtomicByte operator ^( AtomicByte atomicByteA, AtomicByte atomicByteB )
        {
            return new AtomicByte( (byte)( (byte)atomicByteA.m_AtomicByte ^ (byte)atomicByteB.m_AtomicByte ) );
        }

        /// <summary>
        /// 将当前值求补，并返回求补后的数据
        /// </summary>
        /// <param name="atomicByteA"></param>
        /// <returns></returns>
        public static AtomicByte operator ~( AtomicByte atomicByte )
        {
            return new AtomicByte( (byte)~(byte)atomicByte.m_AtomicByte );
        }

        /// <summary>
        /// 以原子方式将当前值加 1 ( ++ )
        /// </summary>
        /// <param name="l"></param>
        /// <param name="r"></param>
        /// <returns></returns>
        public static AtomicByte operator ++( AtomicByte atomicByte )
        {
            atomicByte.Increment();

            return atomicByte;
        }

        /// <summary>
        /// 以原子方式将当前值减 1 ( -- )
        /// </summary>
        /// <param name="l"></param>
        /// <param name="r"></param>
        /// <returns></returns>
        public static AtomicByte operator --( AtomicByte atomicByte )
        {
            atomicByte.Decrement();

            return atomicByte;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="l"></param>
        /// <param name="r"></param>
        /// <returns></returns>
        public static bool operator ==( AtomicByte atomicByteA, AtomicByte atomicByteB )
        {
            return (byte)atomicByteA.m_AtomicByte == (byte)atomicByteB.m_AtomicByte;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="l"></param>
        /// <param name="r"></param>
        /// <returns></returns>
        public static bool operator ==( AtomicByte atomicByteA, byte atomicByteB )
        {
            return (byte)atomicByteA.m_AtomicByte == atomicByteB;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="l"></param>
        /// <param name="r"></param>
        /// <returns></returns>
        public static bool operator !=( AtomicByte atomicByteA, AtomicByte atomicByteB )
        {
            return (byte)atomicByteA.m_AtomicByte != (byte)atomicByteB.m_AtomicByte;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="l"></param>
        /// <param name="r"></param>
        /// <returns></returns>
        public static bool operator !=( AtomicByte atomicByteA, byte atomicByteB )
        {
            return (byte)atomicByteA.m_AtomicByte != atomicByteB;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="l"></param>
        /// <param name="r"></param>
        /// <returns></returns>
        public static bool operator <( AtomicByte atomicByteA, AtomicByte atomicByteB )
        {
            return (byte)atomicByteA.m_AtomicByte < (byte)atomicByteB.m_AtomicByte;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="l"></param>
        /// <param name="r"></param>
        /// <returns></returns>
        public static bool operator <( AtomicByte atomicByteA, byte atomicByteB )
        {
            return (byte)atomicByteA.m_AtomicByte < atomicByteB;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="l"></param>
        /// <param name="r"></param>
        /// <returns></returns>
        public static bool operator >( AtomicByte atomicByteA, AtomicByte atomicByteB )
        {
            return (byte)atomicByteA.m_AtomicByte > (byte)atomicByteB.m_AtomicByte;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="l"></param>
        /// <param name="r"></param>
        /// <returns></returns>
        public static bool operator >( AtomicByte atomicByteA, byte atomicByteB )
        {
            return (byte)atomicByteA.m_AtomicByte > atomicByteB;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="l"></param>
        /// <param name="r"></param>
        /// <returns></returns>
        public static bool operator <=( AtomicByte atomicByteA, AtomicByte atomicByteB )
        {
            return (byte)atomicByteA.m_AtomicByte <= (byte)atomicByteB.m_AtomicByte;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="l"></param>
        /// <param name="r"></param>
        /// <returns></returns>
        public static bool operator <=( AtomicByte atomicByteA, byte atomicByteB )
        {
            return (byte)atomicByteA.m_AtomicByte <= atomicByteB;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="l"></param>
        /// <param name="r"></param>
        /// <returns></returns>
        public static bool operator >=( AtomicByte atomicByteA, AtomicByte atomicByteB )
        {
            return (byte)atomicByteA.m_AtomicByte >= (byte)atomicByteB.m_AtomicByte;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="l"></param>
        /// <param name="r"></param>
        /// <returns></returns>
        public static bool operator >=( AtomicByte atomicByteA, byte atomicByteB )
        {
            return (byte)atomicByteA.m_AtomicByte >= atomicByteB;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="iSerial"></param>
        /// <returns></returns>
        public static explicit operator byte( AtomicByte atomicByte )
        {
            return (byte)atomicByte.m_AtomicByte;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="atomicByte"></param>
        /// <returns></returns>
        public static implicit operator AtomicByte( byte atomicByte )
        {
            return new AtomicByte( atomicByte );
        }
        #endregion

        #region zh-CHS 方法覆盖 | en Method Overrides
        /// <summary>
        /// 
        /// </summary>
        /// <returns></returns>
        public override string ToString()
        {
            return m_AtomicByte.ToString();
        }

        /// <summary>
        /// 
        /// </summary>
        /// <returns></returns>
        public override int GetHashCode()
        {
            return m_AtomicByte.GetHashCode();
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="xObject"></param>
        /// <returns></returns>
        public override bool Equals( object xObject )
        {
            AtomicByte atomicByte = xObject as AtomicByte;
            if ( atomicByte == null )
                return false;

            return (byte)atomicByte.m_AtomicByte == (byte)m_AtomicByte;
        }
        #endregion

        #region zh-CHS 接口实现 | en Interface Implementation
        /// <summary>
        /// 
        /// </summary>
        /// <param name="otherAtomicInt"></param>
        /// <returns></returns>
        public int CompareTo( AtomicByte otherAtomicInt )
        {
            return ( (byte)m_AtomicByte ).CompareTo( (byte)otherAtomicInt.m_AtomicByte );
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="otherObject"></param>
        /// <returns></returns>
        public int CompareTo( object otherObject )
        {
            AtomicByte atomicByte = otherObject as AtomicByte;
            if ( atomicByte == null )
                return 1;
            else
                return CompareTo( atomicByte );
        }
        #endregion
    }
}
